many people use homerow mods, but I haven't tried them personally.
if you happen to use a thinkpad and don't use the trackpoint, you can remap the two mouse buttons above the trackpad to ctrl and alt using keyd on linux. this completely solved RSI on my laptop.
if you happen to use a thinkpad and don't use the trackpoint, you can remap the two mouse buttons above the trackpad to ctrl and alt using keyd on linux. this completely solved RSI on my laptop.